Tag
ring-buffers
- Jan 24, 2026 Interface Drop Counters and What Each One Actually Attributes How kernels classify discarded packets into drop, error, and overrun counters, and why a clean counter set can coexist with a link that loses traffic. networking
- Mar 13, 2025 io_uring Submission and Completion Ring Mechanics The shared-memory rings that carry requests into the kernel and results back out, how batching and polling remove syscalls, and where the cost model replaces transition overhead with memory ordering. performance engineering
- Apr 9, 2022 The Virtio Split Ring: Descriptor Tables, Available Rings, and the Notification Suppression How a guest and a hypervisor exchange buffers without a trap per request, what the three-ring layout enforces, and why the notification flags matter more than the data path. virtualization